47
8. Low battery power warning
Low handset battery power is indicated by the battery symbol B.
B
NOTES:
z When required, replace the battery with an equivalent alkaline type ensuring that the connector is firmly in position.
z Do NOT use a rechargeable battery.
9. LED Status and Alarm Indicators
Electronic indoor units have coloured LED's and a sounder to indicate the following status and alarm functions.
LED Flash Rate
ON/OFF
(seconds)
Sounder Condition Status
Red Amber Green
C ON OFF In Operation Normal
F ON OFF Heating Demand Normal
D ON OFF Cooling Demand Normal
C 0.5 / 5.0 OFF Standby Normal
C 0.5 / 15 OFF Clock Controlled Standby Normal
C 2 x 0.5 / 15 OFF Setback Normal
C 0.5 / 0.5 OFF Filter Clean Advisable Normal
F 0.5 / 0.5 BEEPS Network Warning Call Engineer
D 0.5 / 0.5 BEEPS High Condensate Level Call Engineer
CF 0.5 / 0.5 BEEPS Low Pressure Warning Call Engineer
CD0.5 / 0.5 BEEPS High Pressure Warning Call Engineer
CF D 0.5 / 0.5 BEEPS Contactor Overload Operated Call Engineer
FD 0.5 / 0.5 BEEPS Outdoor Fan Fail Call Engineer
CF D ON BEEPS Sensor Fault Call Engineer
z
To avoid unnecessary annoyance, the sounder will stop after 30 seconds and will sound again for 30 seconds if any signal is transmitted
to the unit, including start up.
z If the sounder beeps in this way call the Engineer.
NOTES:
z During standby the
C LED will flash at 0.5 second intervals as a reminder that the unit has power but is not running.
z To clean the unit use a non-scratch liquid cleaner.